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| Q. |
The return to zero waveform consists of |
| A. | unipolar rz |
| B. | bipolar rz |
| C. | rz-ami |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: different types of return to zero waveforms are unipolar rz, bipolar rz, rz- ami. these are used in baseband transmission and in magnetic recording. | |
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